/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.tsfile.read.reader;

import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
import org.apache.iotdb.tsfile.read.common.BatchData;

import java.io.IOException;

public class FakedBatchReader implements IBatchReader {

    private BatchData data;
    private boolean hasCached = false;

    public FakedBatchReader(long[] timestamps) {
        data = new BatchData(TSDataType.INT32);
        for (long time : timestamps) {
            data.putInt(time, 1);
            hasCached = true;
        }
    }

    @Override
    public boolean hasNextBatch() {
        return hasCached;
    }

    @Override
    public BatchData nextBatch() throws IOException {
        if (data == null || !data.hasCurrent()) {
            throw new IOException("no next batch");
        }
        hasCached = false;
        return data;
    }

    @Override
    public void close() {
    }
}
